2649237 has 16 divisors (see below), whose sum is σ = 3757440. Its totient is φ = 1657152.

The previous prime is 2649233. The next prime is 2649281. The reversal of 2649237 is 7329462.

It is not a de Polignac number, because 2649237 - 2² = 2649233 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6⁴ + 4¹⁰ + 9² + 2¹¹ + 3¹³ + 7⁴ .

2649237 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2649198 and 2649207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2808 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (234840).

2^2649237 is an apocalyptic number.

It is an amenable number.

2649237 is a deficient number, since it is larger than the sum of its proper divisors (1108203).

2649237 is a wasteful number, since it uses less digits than its factorization.

2649237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its digits is 18144, while the sum is 33.

The square root of 2649237 is about 1627.6476891514. The cubic root of 2649237 is about 138.3694678269.

The spelling of 2649237 in words is "two million, six hundred forty-nine thousand, two hundred thirty-seven".